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1. How did the resistance force relate to the effort force for the fixed pulley alone? How did the resistance force relate to the effort force when you added a movable pulley to the fixed pulley? How does the mechanical advantage compare with the slope of the line for each pulley? Explain using your data.

2. 2. How did the work output relate to the work input for the pulleys? Explain using your data

which three statements are true about all alloys?

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia